:root {
  color-scheme: light;
  --bg: #ffffff;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --accent: #2563eb;
  --border: #e5e7eb;
  --shadow: rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.oia-home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #ffffff;
}

.oia-card {
  text-align: center;
  max-width: 448px;
  display: grid;
  gap: 12px;
}

.oia-logo {
  width: 96px;
  height: 96px;
  border-radius: 16px;
  box-shadow: 0 10px 15px rgba(15, 23, 42, 0.1), 0 4px 6px rgba(15, 23, 42, 0.1);
  margin: 0 auto 8px;
}

.oia-title {
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 700;
  color: #111827;
}

.oia-subtitle {
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: #6b7280;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 72px 24px 96px;
  display: grid;
  gap: 28px;
}

.hero {
  display: grid;
  gap: 12px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.7rem;
  color: var(--muted);
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
}

.sub {
  color: var(--muted);
  max-width: 520px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 12px 30px var(--shadow);
  display: grid;
  gap: 16px;
}

.count {
  font-size: 3rem;
  font-weight: 700;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

button {
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 1rem;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

button.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

@media (max-width: 600px) {
  .page {
    padding: 48px 18px 72px;
  }

  .actions {
    flex-direction: column;
    align-items: flex-start;
  }

  button {
    width: 100%;
    justify-content: center;
  }
}